I-gypsum ekhishwe i-sulfur ingumkhiqizo ophumayo wenqubo yokukhipha i-flue gas desulfurization ezitshalweni zamandla ezisebenzisa amalahle noma kwezinye izitshalo ezisebenzisa uphethiloli oqukethe isibabule. Ngenxa yokumelana kwayo nomlilo okuphezulu, ukumelana nokushisa kanye nokumelana nomswakama, isetshenziswe kabanzi embonini yokwakha njengezinto zokwakha. Kodwa-ke, enye yezinselelo ezinkulu ekusebenziseni i-gypsum ekhishwe i-sulfur ukushisa kwayo okuphezulu komswakama, okungaholela ezinkingeni ezifana nokuqhekeka kanye nokuguquguquka ngesikhathi sokusetha kanye nenqubo yokuqina. Ngakho-ke, kunesidingo sokuthola izindlela ezisebenzayo zokunciphisa ukushisa komswakama kwe-gypsum ekhishwe i-sulfur ngenkathi kugcinwa izakhiwo zayo zemishini kanye nezakhiwo zayo.
Ama-cellulose ethers avame ukusetshenziswa njengezithasiselo embonini yokwakha ukuthuthukisa ukusebenza kahle, amandla kanye nokuqina kwezinto ezisekelwe kusimende. Iyi-polymer engenabo ubuthi, ebolayo, evuselelekayo etholakala ku-cellulose, inhlanganisela yezinto eziphilayo etholakala kakhulu emhlabeni. I-cellulose ether ingakha isakhiwo esiqinile esifana nejeli emanzini, esingathuthukisa ukugcinwa kwamanzi, ukumelana nokuwa kanye nokuvumelana kwezinto ezisekelwe kusimende. Ngaphezu kwalokho, ama-cellulose ethers angathinta nezinqubo zokufaka amanzi kanye nokusetha izinto ezisekelwe ku-gypsum, okuthinta kakhulu izakhiwo zazo zemishini kanye nezakhiwo zazo.
Umphumela we-cellulose ether enqubweni yokufuthwa kwe-gypsum kanye nokuqina
I-Gypsum iyinhlanganisela ye-calcium sulfate dihydrate ephendulana namanzi ukuze yakhe amabhlogo e-calcium sulfate hemihydrate aqinile futhi aqinile. Inqubo yokumanzisa nokuqina kwe-gypsum iyinkimbinkimbi futhi ihilela izigaba eziningana, okuhlanganisa i-nucleation, ukukhula, i-crystallization, kanye ne-solidification. Ukusabela kokuqala kwe-gypsum namanzi kudala ukushisa okukhulu, okubizwa ngokuthi ukushisa kwe-hydration. Lokhu kushisa kungabangela ukucindezeleka kokushisa kanye nokuncipha kwezinto ezisekelwe ku-gypsum, okungaholela ekuqhekekeni nakwezinye izinkinga.
Ama-ether e-cellulose angathinta izinqubo zokufaka amanzi kanye nokusetha i-gypsum ngezindlela eziningana. Okokuqala, ama-ether e-cellulose angathuthukisa ukusebenza kanye nokuvumelana kwezinto ezisekelwe ku-gypsum ngokwenza ukuhlakazeka okuzinzile nokufanayo emanzini. Lokhu kunciphisa izidingo zamanzi futhi kwandisa ukugeleza kwezinto, ngaleyo ndlela kube lula inqubo yokufaka amanzi kanye nokusetha. Okwesibili, ama-ether e-cellulose angabamba futhi agcine umswakama ngaphakathi kwezinto ngokwakha inethiwekhi efana ne-gel, ngaleyo ndlela athuthukise amandla okugcina amanzi ezinto. Lokhu kwandisa isikhathi sokufaka amanzi futhi kunciphisa amathuba okucindezeleka kokushisa kanye nokuncipha. Okwesithathu, ama-ether e-cellulose angalibazisa izigaba zokuqala zenqubo yokufaka amanzi ngokunamathela ebusweni bamakristalu e-gypsum futhi kuvimbele ukukhula kwawo kanye nokwakheka kwekristalu. Lokhu kunciphisa izinga lokuqala lokushisa kokufaka amanzi kanye nokulibazisa isikhathi sokusetha. Okwesine, ama-ether e-cellulose angathuthukisa izakhiwo zemishini kanye nokusebenza kwezinto ezisekelwe ku-gypsum ngokwandisa amandla azo, ukuqina kanye nokumelana nokuguqulwa.
Izici ezithinta ukushisa kokumuncwa kwe-gypsum ekhishwe i-sulfur
Ukushisa kokumuncwa kwe-gypsum ekhishwe i-sulfur kuthinteka yizinto ezahlukahlukene, okuhlanganisa ukwakheka kwamakhemikhali, usayizi wezinhlayiya, okuqukethwe komswakama, izinga lokushisa kanye nezithasiselo ezisetshenziswa ezintweni. Ukwakheka kwamakhemikhali kwe-gypsum ekhishwe i-sulfur kungahluka kuye ngohlobo lwenqubo kaphethiloli kanye nenqubo yokumuncwa esetshenziswayo. Ngokuvamile, uma kuqhathaniswa ne-gypsum yemvelo, i-gypsum ekhishwe i-sulfur inokuqukethwe okuphezulu kokungcola njenge-calcium sulfate hemihydrate, i-calcium carbonate, ne-silica. Lokhu kuthinta izinga lokumuncwa kanye nenani lokushisa okukhiqizwa ngesikhathi sokusabela. Usayizi wezinhlayiya kanye nendawo ethile ebusweni be-gypsum ekhishwe i-sulfur kuzothinta nesivinini kanye namandla okushisa kokumuncwa. Izinhlayiya ezincane kanye nendawo enkulu ebusweni ethile kungandisa indawo yokuxhumana futhi kube lula ukusabela, okuholela ekushiseni okuphezulu kokumuncwa. Ukuqukethwe kwamanzi kanye nezinga lokushisa lezinto nakho kungathinta ukushisa kokumuncwa ngokulawula izinga kanye nobukhulu bokusabela. Ukuqukethwe kwamanzi okuphezulu kanye nezinga lokushisa eliphansi kunganciphisa izinga kanye namandla okushisa kokumuncwa, kuyilapho okuqukethwe kwamanzi okuphansi kanye nezinga lokushisa eliphakeme kungandisa izinga kanye namandla okushisa kokumuncwa. Izithasiselo ezifana nama-cellulose ether zingathinta ukushisa komswakama ngokusebenzisana namakristalu e-gypsum nokushintsha izakhiwo zawo kanye nokuziphatha kwawo.
Izinzuzo ezingaba khona zokusebenzisa ama-cellulose ethers ukunciphisa ukushisa kokumuncwa kwe-gypsum ekhishwe i-sulfur
Ukusebenzisa kwethu ama-cellulose ethers njengezithasiselo zokunciphisa ukushisa kokumuncwa kwe-gypsum ekhishwe i-sulfur kunikeza izinzuzo ezahlukahlukene ezingaba khona, okuhlanganisa:
1. Thuthukisa ukusebenza kahle kanye nokuvumelana kwezinto, okuzuzisa ekuxubeni, ekubekweni nasekuhleleni kwezinto.
2. Nciphisa isidingo samanzi futhi wandise ukugeleza kwezinto, okungathuthukisa izakhiwo zemishini kanye nokusetshenziswa kwezinto.
3. Thuthukisa amandla okugcina amanzi ento futhi wandise isikhathi sokuthola amanzi ento, ngaleyo ndlela unciphise ukucindezeleka okungenzeka kokushisa kanye nokuncipha.
4. Libazisa isigaba sokuqala sokumanzisa, libazisa isikhathi sokuqina kwezinto, nciphisa inani eliphakeme lokushisa kokumanzisa, futhi uthuthukise ukuphepha nekhwalithi yezinto.
5. Thuthukisa izakhiwo zemishini kanye nokusebenza kwezinto, okungathuthukisa ukuqina, amandla kanye nokumelana nokuguquguquka kwezinto.
6. I-cellulose ether ayinaboli, iyabola futhi ivuseleleka, enganciphisa umthelela emvelweni futhi ikhuthaze intuthuko esimeme yemboni yezokwakha.
Ekuphetheni
Ama-cellulose ether ayizithasiselo ezithembisayo ezingathonya izinqubo zokufaka amanzi kanye nokusetha i-gypsum ekhishwe ngokuthuthukisa ukusebenza kahle, ukuhambisana, ukugcinwa kwamanzi kanye nezakhiwo zemishini zento. Ukusebenzisana phakathi kwama-cellulose ethers namakristalu e-gypsum kunganciphisa ukushisa okuphezulu kokufaka amanzi futhi kulibazise isikhathi sokusetha, okungathuthukisa ukuphepha kanye nekhwalithi yento. Kodwa-ke, ukusebenza kahle kwama-cellulose ethers kungancika ezintweni ezifana nokwakheka kwamakhemikhali, usayizi wezinhlayiya, okuqukethwe komswakama, izinga lokushisa kanye nezithasiselo ezisetshenziswa kule nto. Ucwaningo lwesikhathi esizayo kufanele lugxile ekwenzeni ngcono umthamo kanye nokwakheka kwama-cellulose ethers ukuze kufezwe ukunciphisa okufiselekayo ekushiseni kokufaka amanzi kwe-gypsum ekhishwe i-sulfur ngaphandle kokuthinta izakhiwo zayo zemishini kanye nezakhiwo zayo. Ngaphezu kwalokho, izinzuzo ezingaba khona zomnotho, ezemvelo, kanye nezenhlalo zokusebenzisa ama-cellulose ethers kufanele zihlolwe futhi zihlolwe kabanzi.
Isikhathi sokuthunyelwe: Okthoba-11-2023